In an extraordinary and direct rebuke, Kim Jong Un said the U.S. president would "pay dearly" for his threats. Hours later, North Korea's foreign minister reportedly said that his country may be planning to test a hydrogen bomb in the Pacific Ocean.

Children make up about 60 percent of more than 420,000 people who have poured in to Bangladesh in recent weeks.

5. WHAT'S LIKELY TO CHANGE, AND WHAT ISN'T, AFTER GERMAN ELECTIONS

Chancellor Angela Merkel appears all but certain to win a fourth term when Germans vote Sunday after a humdrum campaign produced few divisive issues, though a nationalist, anti-migration party is gaining support.